
Air Filters For General Ventilation - Part 1: Technical Specifications, Requirements And Classification System Based Upon Particulate Matter Efficiency (Epm) (Iso 16890-1:2016)
出版:Norwegian Standards (Norges Standardiseringsforbund)

專家解讀視頻
2016 [01/03/2017]
Supersedes NS EN 779. (03/2017)
EN ISO 16890-1:2016 - Identical
EN ISO 16890-1 : 2016 - Identical
ISO 16890-1 : 2016 - Identical